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Posterior opening in zoology
A cloaca (/kloʊˈeɪkə/ kloh-AY-kə), pl.: cloacae (/kloʊˈeɪsi/ kloh-AY-see or /kloʊˈeɪki/ kloh-AY-kee), or vent, is the rear orifice that serves as the only
Cloaca
Topics referred to by the same term
Look up cloaca in Wiktionary, the free dictionary. Cloaca is an anatomical feature of some animals. Cloaca may also refer to: Cloaca (embryology), a structure
Cloaca_(disambiguation)
Main sewage system of Ancient Rome
The Cloaca Maxima (Latin: Cloāca Maxima [kɫɔˈaːka ˈmaksɪma], lit. 'Greatest Sewer') or, less often, Maxima Cloaca, is one of the world's earliest sewage
Cloaca_Maxima
Structure in the embryo
The cloaca (pl.: cloacae) is a structure in the development of the urinary and reproductive organs. The hind-gut is at first prolonged backward into the
Cloaca_(embryology)
Art installations by Wim Delvoye, 2000–2010
Cloaca is a series of art installations by Belgian artist Wim Delvoye. The installations are computerised machines that recreate the human digestive process
Cloaca_(art_installation)
Medical condition
persistent cloaca is a symptom of a complex anorectal congenital disorder, in which the rectum, vagina, and urinary tract meet and fuse, creating a cloaca, a
Persistent_cloaca
2003 Dutch film
Cloaca is a 2003 Dutch film, directed by Willem van de Sande Bakhuyzen. It is a film adaptation of the 2002 theatre play Cloaca written by Maria Goos
Cloaca_(film)
Roman Goddess of the Cloaca Maxima
Cloacina, also spelled Cluacina, was a goddess who presided over the ancient Cloaca Maxima ('Greatest Drainage'): Rome's main sewer and drainage system. Cloacina
Cloacina
Sewer in ancient Rome
Cloaca Circi Maximi or Cloaca Circi was one of the three main sewers in ancient Rome. Alongside the Cloaca Maxima and Chiavicone dell'Olmo The Cloaca
Cloaca_Circi_Maximi
Topics referred to by the same term
Cloaca Maxima is one of the world's earliest sewage systems. Cloaca Maxima may also refer to: Cloaca Maxima (album), a 1997 compilation album Cloaca Maxima
Cloaca Maxima (disambiguation)
Cloaca_Maxima_(disambiguation)
Part of mammalian embryo
urinary and reproductive organs. It is the ventral part of the cloaca, formed after the cloaca separates from the anal canal during the fourth to seventh
Urogenital_sinus
Digestive tract waste expulsion opening
orifice (known as the cloaca) for excreting liquid and solid wastes, for copulation and egg-laying. Monotreme mammals also have a cloaca, which is thought
Anus
Mechanisms that form the reproductive system
continues to grow caudally until it opens into the ventral part of the cloaca; beyond the pronephros it is termed the mesonephric duct. Thus, the mesonephric
Development of the reproductive system
Development_of_the_reproductive_system
Order of egg-laying mammals
words μονός (monós 'single') and τρῆμα (trêma 'hole'), referring to the cloaca. Like other mammals, monotremes are endothermic with a high metabolic rate
Monotreme
Male anatomical structure found in some groups of animals, used in mating
portion of their pelvic fin which serve to channel semen into the female's cloaca during mating. The act of mating in some fish including sharks usually includes
Clasper
Invagination of the cloaca that separates the hindgut from the urogenital sinus
The urorectal septum is an invagination of the cloaca. It divides it into a dorsal part (the hindgut) and a ventral part (the urogenital sinus). It invaginates
Urorectal_septum
Finnish rock band
CMX, originally Cloaca Maxima, is a Finnish rock band. They originally played hardcore punk, but soon expanded to play a wide variety of rock formats,
CMX_(band)
Painting by Agostino Carracci
Saint Sebastian Thrown into the Cloaca Maxima is an oil painting on canvas executed by the Italian painter Ludovico Carracci in 1612. It is held in the
Saint Sebastian Thrown into the Cloaca Maxima
Saint_Sebastian_Thrown_into_the_Cloaca_Maxima
The Cloaca is an archaeological site on the island of Capri, Italy. It was part of a sewage system built in Roman times. The end of the sewer is visible
Cloaca_(Capri)
Species of gastropod
Herviella cloaca is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae. This species was described from
Herviella_cloaca
system as a whole did not dramatically improve until the arrival of the Cloaca Maxima, an open channel that was later covered, and one of the best-known
Sanitation_in_ancient_Rome
Parasitic flatworm
imitate caterpillars, a prey of birds. The adult parasite lives in the bird's cloaca, releasing its eggs into the faeces. The species in Leucochloridium share
Leucochloridium_paradoxum
Fifth King of Rome
constructed enduring infrastructure such as the Circus Maximus and the Cloaca Maxima; reorganised state institutions including the Senate and the army;
Lucius_Tarquinius_Priscus
Genus of bacteria
siamensis E. sichuanensis E. soli E. vonholyi E. wuhouensis E. soli Synonyms Cloaca Castellani & Chalmers, 1919 Aerobacter Hormaeche & Edwards, 1958
Enterobacter
Suborder of salamanders
sperm-containing cap placed by the male in her cloaca. The sperm is stored in spermathecae on the roof of the cloaca until it is needed at the time of oviposition
Salamandroidea
System of organs used for reproduction
gonads are then connected by oviducts to an external opening, typically the cloaca or vagina. Human reproduction involves internal fertilization by sexual
Reproductive_system
Paired organ of the urogenital system in mammals
mesonephric duct connects the primitive kidney, the mesonephros, to the cloaca. It also serves as the primordium for male urogenital structures including
Mesonephric_duct
Respiration using gas exchange in the enteral system
across the epithelia of the enteral system, usually in the caudal cavity (cloaca). This is used in various species as an alternative respiration mechanism
Enteral_respiration
Male sex organ in squamate reptiles
stages, particularly their origin of development relative to the embryonic cloaca. Specifically, the hemipenes of Squamata are found to develop on the posterior
Hemipenis
Subspecies of snake
copulatory plug by tongue-flicking in female cloaca and chin-rubbing to transfer pheromones from skin or cloaca to vomeronasal organ to determine her mating
Red-sided_garter_snake
Ancient Roman amphitheater in Rome
Anio Novus Aqua Claudia Aqua Julia Aqua Marcia Aqua Tepula Sewers Cloaca Maxima Cloaca Circi Maximi Public baths Baths of Agrippa Baths of Caracalla Baths
Colosseum
Union of an egg and sperm to form a zygote within the female body
vertebrates transfer sperm through a male intromittent organ into the female cloaca during copulation. Mammals ejaculate sperm and seminal fluid through the
Internal_fertilization
Species of bird
monopolising the female. Males try to ensure their paternity by pecking at the cloaca of the female to stimulate ejection of rival males' sperm. Dunnocks take
Dunnock
American professional wrestler
only WWE match on the July 25, 2005, episode of Raw under the ring name Cloacas, where he teamed with Viscera to take on Antonio of The Heart Throbs and
Tiny_the_Terrible
Class of echinoderms
cloacal respiration via a pair of "respiratory trees" that branch in the cloaca just inside the anus, so that they "breathe" by drawing water in through
Sea_cucumber
Organ in vertebrates that collects and stores urine from the kidneys before disposal
the rectum both empty into the organ called the cloaca. In some reptiles, a midventral wall in the cloaca opens into a urinary bladder. The urinary bladder
Bladder
1997 compilation album by CMX
Cloaca Maxima (1997) is the first compilation album by the Finnish rock group CMX. The name Cloaca Maxima means "Great Sewer" in Latin, and was also an
Cloaca_Maxima_(album)
Shrine of Venus of the Sewer
was a small sanctuary on the Roman Forum, honoring the divinity of the Cloaca Maxima, the "Great Drain" or sewer of Rome. Cloacina, the goddess associated
Shrine_of_Venus_Cloacina
Class of animals with milk-producing glands
Most adult placentals have no remaining trace of the cloaca. In the embryo, the embryonic cloaca divides into a posterior region that becomes part of
Mammal
Solid or semisolid remains of undigested food
cells from the lining of the gut. Feces are discharged through the anus or cloaca during defecation. Feces can be used as fertilizer or soil conditioner in
Feces
Mechanisms that form the urinary system
cloaca between the orifices of the Wolffian ducts. At a later stage, the eminence opens in the middle, connecting the Müllerian ducts with the cloaca
Development of the urinary system
Development_of_the_urinary_system
Part of the female reproductive tract
the oviduct that leads to the cloaca. Chickens have a vaginal aperture that opens from the vertical apex of the cloaca. The vagina extends upward from
Vagina
Infraclass of mammals in the clade Eutheria
the presence of a malleolus at the bottom of the fibula. instead of a cloaca like monotremes, marsupials and most other vertebrates, the urogenital ducts
Placentalia
Paired internal organ in vertebrates
vertebrates, depending on the species, may include the ureter, urinary bladder, cloaca, and urethra. All vertebrates have kidneys. The kidneys are the main organ
Kidney_(vertebrates)
Release of urine from the urinary bladder
from the bladder through the urethra in placental mammals, or through the cloaca in other vertebrates. It is the urinary system's form of excretion. It is
Urination
Bird behaviour
to the cloaca, the surrounding skin and underlying tissue. Vent pecking frequently occurs immediately after an egg has been laid when the cloaca often
Vent_pecking
the Roman Empire developed complex waste removal systems, including the Cloaca Maxima, which emptied into the Tiber River. The Maya of Central America
History_of_waste_management
18th Century automaton
2002, Belgian conceptual artist Wim Delvoye introduced the world to his "Cloaca Machine", a mechanical art work that actually digests food and turns it
Digesting_Duck
The cloacal membrane is the membrane that covers the embryonic cloaca during the development of the urinary and reproductive organs. It is formed by ectoderm
Cloacal_membrane
External organ of a male organism that is specialized to deliver sperm during copulation
claspers. During copulation, one clasper is inserted into the female's cloaca, and sperm is flushed by the male's body through a groove into the female
Intromittent_organ
Functional opening in the body of an organism
birth The nipple orifices Other animals may have some other body orifices: cloaca, in birds, reptiles, amphibians, and a few mammals, such as monotremes.
Body_orifice
Class of ectothermic tetrapods
phallodeum, and inserting it into the female cloaca. The paired Müllerian glands inside the male cloaca secrete a fluid which resembles that produced
Amphibian
Physiological structure of birds' bodies
into the blood. The intestine ends via the large intestine in the vent or cloaca which serves as the common exit for renal and intestinal excrements as well
Bird_anatomy
Gland of the male reproductive system
In the developing embryo, at the hind end lies an inpouching called the cloaca. This, over the fourth to the seventh week, divides into a urogenital sinus
Prostate
Topics referred to by the same term
or convergence named after Fritz Müller Müllerian ducts, which enter the cloaca of an embryo (named after Johannes Peter Müller) Mullerian anomalies are
Müllerian
Method of distinguishing the sex of chickens and other hatchlings
feces out of the chick, which opens up the chick's anal vent (called a cloaca) slightly, allowing the chicken sexer to see if the chick has a small "bump"
Chick_sexing
Square in Rome, Italy
Anio Novus Aqua Claudia Aqua Julia Aqua Marcia Aqua Tepula Sewers Cloaca Maxima Cloaca Circi Maximi Public baths Baths of Agrippa Baths of Caracalla Baths
Piazza_del_Campidoglio
Use of knowledge for practical goals
emptied into an extensive sewage system. The primary sewer in Rome was the Cloaca Maxima; construction began on it in the sixth century BCE and it is still
Technology
Species of amphibian
higher along the tail. The tail also has a lower fin and a pointed end. The cloaca (the single digestive, urinary and reproductive orifice) of breeding males
Smooth_newt
Final portion of the large intestine
other mammals, and the gut in others. Before expulsion through the anus or cloaca, the rectum stores the feces temporarily. The adult human rectum is about
Rectum
Capital and largest city of Italy
Anio Novus Aqua Claudia Aqua Julia Aqua Marcia Aqua Tepula Sewers Cloaca Maxima Cloaca Circi Maximi Public baths Baths of Agrippa Baths of Caracalla Baths
Rome
Liquid by-product of animal metabolism
bladder through the urethra, whereas other vertebrates urinate through the cloaca. Urine plays an important role in the earth's nitrogen cycle. In balanced
Urine
Art museum in Hobart, Tasmania, Australia
mural, displayed publicly for the first time in Australia; Wim Delvoye's Cloaca Professional, a machine which replicates the human digestive system and
Museum_of_Old_and_New_Art
Species of monotreme
eggs. Like birds and reptiles, monotremes have a single opening, the cloaca. The cloaca allows for the passage of urine and feces, the transmission of sperm
Eastern_long-beaked_echidna
Superphylum of bilateral animals
developing embryo's first opening (the blastopore) becomes the anus and cloaca, while the mouth is formed at a different site later on. This was initially
Deuterostome
Warm-blooded animals with wings and feathers
emerges from the bird's cloaca. The cloaca is a multi-purpose opening: waste is expelled through it, most birds mate by joining cloaca, and females lay eggs
Bird
Milvius Pons Neronianus Ponte Nomentano Pons Probi Pons Sublicius Cloaca Circi Maximi Cloaca Maxima Fontana della Pigna Lacus Juturnae Lacus Orphei [it] Lacus
List_of_ancient_sites_in_Rome
Order of amphibians
underneath, and no tail (the "tail" of tailed frogs is an extension of the male cloaca). Frogs have glandular skin, with secretions ranging from distasteful to
Frog
Phylum of pseudocoelomate invertebrates
absorption occurs. The stomach opens into a short intestine that terminates in a cloaca on the posterior dorsal surface of the animal. Up to seven salivary glands
Rotifer
This is a list of cells in humans derived from the three embryonic germ layers – ectoderm, mesoderm, and endoderm. Trichocyte Keratinocyte Gonadotrope
List of human cell types derived from the germ layers
List_of_human_cell_types_derived_from_the_germ_layers
Trait that determines an organism's sexually reproductive function
are done through a single posterior opening, called the cloaca—male and female birds touch cloaca to transfer sperm, a process called "cloacal kissing"
Biological_sex
Development and formation of the human embryo
originates from the ectoderm. The hindgut enters the posterior region of the cloaca (future anorectal canal), and the allantois enters the anterior region (future
Human_embryonic_development
Species of mammal
characteristic of past monotremes. The platypus has a single opening, called a cloaca, for both the reproductive and waste systems. The male platypus has penile
Platypus
Birth defect of malformed rectum
rectum and the bladder, urethra or the vagina. A persistent cloaca (from the term cloaca, an analogous orifice in birds, reptiles and amphibians), in
Imperforate_anus
Species of amphibian
pronounced cloaca and have hip-like bulges above their rear legs where their eggs are internally located. Both males and females have a cloaca, which is
African_clawed_frog
Genus of birds
is iridescent black with a white or rufous crissum (the area around the cloaca) and tail-tip, and their legs and bills are red. The genders are alike.
Mitu_(bird)
Primary sexual organ of male animals
possessed a penis. Most male birds (e.g., roosters and turkeys) have a cloaca (also present on the female), but not a penis. Among bird species with a
Penis
Largest living species of lizard
Copulation occurs when the male inserts one of his hemipenes into the female's cloaca. Komodo dragons may be monogamous and form "pair bonds", a rare behavior
Komodo_dragon
Subspecies of snake
However, if handled, it may discharge a pungent smelling exudate from the cloaca as a warning. The Sinaloan milk snake inhabits the rocky and semi-arid drylands
Sinaloan_milk_snake
Species of bird
Males have black plumage, except for a white crissum (the area around the cloaca), with curly feathers on the head and red bill ornaments and wattles. Females
Wattled_curassow
Ejection of internal organs by animals as a defensive strategy
and contracts its body wall muscles sharply. This causes the wall of the cloaca to tear and the anus to gape. The evisceration process in Eupentacta quinquesemita
Evisceration_(autotomy)
Small group of peculiar heterokonts
illuminated with full sunlight. Most opalines live in the large intestine and cloaca of anurans (frogs and toads), though they are sometimes found in fish, reptiles
Opalinidae
External features of butterflies and moths
to 3 mm behind the abdomen of Parnassius Lepidopteran insects feature a cloaca at the end of the abdomen. This may be complete, incorporating the anus
External morphology of Lepidoptera
External_morphology_of_Lepidoptera
Cooling mechanism in birds
consist of both feces and urine, which are excreted together through the cloaca. Hidrosis is the medical term for sweating from Ancient Greek, and the word
Urohidrosis
Study of the form or morphology of fishes
The dermis is covered with separate dermal placoid scales. They have a cloaca into which the urinary and genital passages open, but not a swim bladder
Fish_anatomy
Species of bird
female and mounts her. After mounting the female, the male extends his cloaca by curving his back in an attempt to initiate cloacal contact between him
Japanese_quail
Limbless, scaly, elongate reptile
retain a pelvic girdle with a pair of vestigial limbs on either side of the cloaca which are known as spurs. Lizards have independently evolved elongate bodies
Snake
Ancient Roman site
Anio Novus Aqua Claudia Aqua Julia Aqua Marcia Aqua Tepula Sewers Cloaca Maxima Cloaca Circi Maximi Public baths Baths of Agrippa Baths of Caracalla Baths
Catacomb_of_Priscilla
Specialized organ in birds
both hematopoiesis and B cell development. The bursa is present in the cloaca of birds and is named after Hieronymus Fabricius, who described it in 1621
Bursa_of_Fabricius
Class of lobe-finned fishes
scales and the skin folds around the cloaca differ. The male coelacanth has no distinct copulatory organs, just a cloaca, which has a urogenital papilla surrounded
Coelacanth
Embryonic structure
continuous with the cloaca. The embryonic allantois becomes the fetal urachus, which connects the fetal bladder (developed from cloaca) to the yolk sac.
Allantois
Mechanisms that form the digestive system in the human embryo
originates from the ectoderm. The hindgut enters the posterior region of the cloaca (future anorectal canal), and the allantois enters the anterior region (future
Development of the human digestive system
Development_of_the_human_digestive_system
Anatomical structure resembling a penis
avian species have a phallus. The most common genitalia among birds is the cloaca; a direct tract for elimination and reproduction in both of the sexes.[citation
Pseudo-penis
Subspecies of snake
defensive snake, but may bite or release a foul-smelling musk from its cloaca if handled or harassed. Like many colubrid snakes, it often shakes its tail
Drymarchon melanurus erebennus
Drymarchon_melanurus_erebennus
Historic building in Rome, Italy
Anio Novus Aqua Claudia Aqua Julia Aqua Marcia Aqua Tepula Sewers Cloaca Maxima Cloaca Circi Maximi Public baths Baths of Agrippa Baths of Caracalla Baths
Castel_Sant'Angelo
Anio Novus Aqua Claudia Aqua Julia Aqua Marcia Aqua Tepula Sewers Cloaca Maxima Cloaca Circi Maximi Public baths Baths of Agrippa Baths of Caracalla Baths
List of railway stations in Rome
List_of_railway_stations_in_Rome
2002 Serbian horror film by Dejan Zečević
be the attendant, who is also Margita. Convinced that the baby (called "Cloaca") that she had flushed down a toilet decades ago is somehow still alive
T.T._Syndrome
External genitalia of the female mammal
(Nematoda). For comparison, birds, reptiles, amphibians, and monotremes have a cloaca. An organ system like a vulva does not exist. The vulva of a placental consists
Vulva
Clade of worm-like animals
The two groups share a number of features in common; the presence of a cloaca in both sexes, aflagellate sperm, and a cuticle made of collagen. Its position
Nematoida
Species of horsehair worm
in gelatinous strings. Adults have cylindrical gonads, opening into the cloaca. The larvae have rings of cuticular hooks and terminal stylets that are
Chordodes_formosanus
CLOACA
CLOACA
CLOACA
CLOACA
Girl/Female
English American German Spanish Anglo Saxon French
Waterfall.
Girl/Female
Tamil
Anwita | அநà¯à®µà®¿à®¤à®¾
Goddess Durga
Girl/Female
English
Unusual Nature Name
Boy/Male
Indian, Punjabi, Sikh
Liberation through Guru
Boy/Male
Tamil
Shining brightly
Girl/Female
Arabic, Australian, Biblical, Muslim
Beauty; Pleasantness
Boy/Male
Hindu
God of the world
Boy/Male
British, Celtic, English, German, Hebrew, Swedish
Attached; Combined
Boy/Male
Hindu, Indian
The Symbol of Unity of Hindus
Girl/Female
French
Miracle.
CLOACA
CLOACA
CLOACA
CLOACA
CLOACA
n.
A privy.
n.
A sewer; as, the Cloaca Maxima of Rome.
n. pl.
A subclass of Mammalia, having a cloaca in which the ducts of the urinary, genital, and alimentary systems terminate, as in birds. The female lays eggs like a bird. See Duck mole, under Duck, and Echidna.
n.
Specifically, the canal which leads from the uterus to the external orifice if the genital canal, or to the cloaca.
pl.
of Cloaca
a.
Of or pertaining to a cloaca.
n.
That part of a bird, or the feathers, surrounding the cloacal opening; the under tail coverts.
n.
The common chamber into which the intestinal, urinary, and generative canals discharge in birds, reptiles, amphibians, and many fishes.
n.
The anal opening of certain invertebrates and fishes; also, the external cloacal opening of reptiles, birds, amphibians, and many fishes.
n.
The duct which conveys the urine from the kidney to the bladder or cloaca. There are two ureters, one for each kidney.